Bayhydrol® UV 2282 is a waterborne, UV-curing polyurethane dispersion that can be used in the formulation of physically drying, waterborne UV-curing wood and plastic coatings. This product has a flow time at 23°C, (4mmcup) of ≤ 50, a non-volatile content (1g / 1h / 125°C) of 39 ± 1, and a pH level of 7.75 ± 0.75. Bayhydrol® UV 2282 is used in the formulation of High Quality Waterborne UV-curing Wood coatings, that will normally pass the DIN 68 861-1B norm. After the water has evaporated, the coating is physically dry and handable. UV-Curing (10 m/min per 80 W/cm lamp) will result in a very high final quality. The photo initiator demand is low, 1-2% will be enough (by wt., calculated on solid binder). Coatings based on Bayhydrol® UV 2282 will show good adherence to many substrates, including plastics.
Covestro (formerly Bayer MaterialScience) provides raw materials, such as waterborne adhesives, major high solids coatings, advanced powder coatings, and specialty sealant chemistries. Bayer produces polycarbonates and polycarbonate blends, polyurethanes, and TPU resins, particularly for design and processing parts with TPU resins applications; helping products in a wide variety of applications look better and last longer.
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